mod/item.php

   1 <?php
   2 /**
   3  * @file mod/item.php
   4  */
   5
   6 /*
   7  * This is the POST destination for most all locally posted
   8  * text stuff. This function handles status, wall-to-wall status,
   9  * local comments, and remote coments that are posted on this site
  10  * (as opposed to being delivered in a feed).
  11  * Also processed here are posts and comments coming through the
  12  * statusnet/twitter API.
  13  *
  14  * All of these become an "item" which is our basic unit of
  15  * information.
  16  */
  17 use Friendica\App;
  18 use Friendica\Core\Config;
  19 use Friendica\Core\System;
  20 use Friendica\Core\Worker;
  21 use Friendica\Database\DBM;
  22 use Friendica\Model\Contact;
  23 use Friendica\Model\GContact;
  24 use Friendica\Model\Item;
  25 use Friendica\Network\Probe;
  26 use Friendica\Protocol\Diaspora;
  27 use Friendica\Protocol\Email;
  28 use Friendica\Util\Emailer;
  29
  30 require_once 'include/enotify.php';
  31 require_once 'include/tags.php';
  32 require_once 'include/files.php';
  33 require_once 'include/threads.php';
  34 require_once 'include/text.php';
  35 require_once 'include/items.php';
  36
  37 function item_post(App $a) {
  38         if (!local_user() && !remote_user() && !x($_REQUEST, 'commenter')) {
  39                 return;
  40         }
  41
  42         require_once 'include/security.php';
  43
  44         $uid = local_user();
  45
  46         if (x($_REQUEST, 'dropitems')) {
  47                 $arr_drop = explode(',', $_REQUEST['dropitems']);
  48                 drop_items($arr_drop);
  49                 $json = array('success' => 1);
  50                 echo json_encode($json);
  51                 killme();
  52         }
  53
  54         call_hooks('post_local_start', $_REQUEST);
  55         // logger('postinput ' . file_get_contents('php://input'));
  56         logger('postvars ' . print_r($_REQUEST,true), LOGGER_DATA);
  57
  58         $api_source = x($_REQUEST, 'api_source') && $_REQUEST['api_source'];
  59
  60         $message_id = ((x($_REQUEST, 'message_id') && $api_source) ? strip_tags($_REQUEST['message_id']) : '');
  61
  62         $return_path = (x($_REQUEST, 'return') ? $_REQUEST['return'] : '');
  63         $preview = (x($_REQUEST, 'preview') ? intval($_REQUEST['preview']) : 0);
  64
  65         /*
  66          * Check for doubly-submitted posts, and reject duplicates
  67          * Note that we have to ignore previews, otherwise nothing will post
  68          * after it's been previewed
  69          */
  70         if (!$preview && x($_REQUEST, 'post_id_random')) {
  71                 if (x($_SESSION, 'post-random') && $_SESSION['post-random'] == $_REQUEST['post_id_random']) {
  72                         logger("item post: duplicate post", LOGGER_DEBUG);
  73                         item_post_return(System::baseUrl(), $api_source, $return_path);
  74                 } else {
  75                         $_SESSION['post-random'] = $_REQUEST['post_id_random'];
  76                 }
  77         }
  78
  79         // Is this a reply to something?
  80         $parent = (x($_REQUEST, 'parent') ? intval($_REQUEST['parent']) : 0);
  81         $parent_uri = (x($_REQUEST, 'parent_uri') ? trim($_REQUEST['parent_uri']) : '');
  82
  83         $parent_item = null;
  84         $parent_contact = null;
  85         $thr_parent = '';
  86         $parid = 0;
  87         $r = false;
  88         $objecttype = null;
  89
  90         if ($parent || $parent_uri) {
  91
  92                 $objecttype = ACTIVITY_OBJ_COMMENT;
  93
  94                 if (!x($_REQUEST, 'type')) {
  95                         $_REQUEST['type'] = 'net-comment';
  96                 }
  97
  98                 if ($parent) {
  99                         $r = q("SELECT * FROM `item` WHERE `id` = %d LIMIT 1",
 100                                 intval($parent)
 101                         );
 102                 } elseif ($parent_uri && local_user()) {
 103                         // This is coming from an API source, and we are logged in
 104                         $r = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 105                                 dbesc($parent_uri),
 106                                 intval(local_user())
 107                         );
 108                 }
 109
 110                 // if this isn't the real parent of the conversation, find it
 111                 if (DBM::is_result($r)) {
 112                         $parid = $r[0]['parent'];
 113                         $parent_uri = $r[0]['uri'];
 114                         if ($r[0]['id'] != $r[0]['parent']) {
 115                                 $r = q("SELECT * FROM `item` WHERE `id` = `parent` AND `parent` = %d LIMIT 1",
 116                                         intval($parid)
 117                                 );
 118                         }
 119                 }
 120
 121                 if (!DBM::is_result($r)) {
 122                         notice(t('Unable to locate original post.') . EOL);
 123                         if (x($_REQUEST, 'return')) {
 124                                 goaway($return_path);
 125                         }
 126                         killme();
 127                 }
 128                 $parent_item = $r[0];
 129                 $parent = $r[0]['id'];
 130
 131                 // multi-level threading - preserve the info but re-parent to our single level threading
 132                 $thr_parent = $parent_uri;
 133
 134                 if ($parent_item['contact-id'] && $uid) {
 135                         $r = q("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
 136                                 intval($parent_item['contact-id']),
 137                                 intval($uid)
 138                         );
 139                         if (DBM::is_result($r)) {
 140                                 $parent_contact = $r[0];
 141                         }
 142
 143                         // If the contact id doesn't fit with the contact, then set the contact to null
 144                         $thrparent = q("SELECT `author-link`, `network` FROM `item` WHERE `uri` = '%s' LIMIT 1", dbesc($thr_parent));
 145                         if (DBM::is_result($thrparent) && ($thrparent[0]["network"] === NETWORK_OSTATUS)
 146                                 && (normalise_link($parent_contact["url"]) != normalise_link($thrparent[0]["author-link"]))) {
 147                                 $parent_contact = Contact::getDetailsByURL($thrparent[0]["author-link"]);
 148
 149                                 if (!isset($parent_contact["nick"])) {
 150                                         $probed_contact = Probe::uri($thrparent[0]["author-link"]);
 151                                         if ($probed_contact["network"] != NETWORK_FEED) {
 152                                                 $parent_contact = $probed_contact;
 153                                                 $parent_contact["nurl"] = normalise_link($probed_contact["url"]);
 154                                                 $parent_contact["thumb"] = $probed_contact["photo"];
 155                                                 $parent_contact["micro"] = $probed_contact["photo"];
 156                                                 $parent_contact["addr"] = $probed_contact["addr"];
 157                                         }
 158                                 }
 159                                 logger('no contact found: ' . print_r($thrparent, true), LOGGER_DEBUG);
 160                         } else {
 161                                 logger('parent contact: ' . print_r($parent_contact, true), LOGGER_DEBUG);
 162                         }
 163
 164                         if ($parent_contact["nick"] == "") {
 165                                 $parent_contact["nick"] = $parent_contact["name"];
 166                         }
 167                 }
 168         }
 169
 170         if ($parent) {
 171                 logger('mod_item: item_post parent=' . $parent);
 172         }
 173
 174         $profile_uid = (x($_REQUEST, 'profile_uid') ? intval($_REQUEST['profile_uid']) : 0);
 175         $post_id     = (x($_REQUEST, 'post_id')     ? intval($_REQUEST['post_id'])     : 0);
 176         $app         = (x($_REQUEST, 'source')      ? strip_tags($_REQUEST['source'])  : '');
 177         $extid       = (x($_REQUEST, 'extid')       ? strip_tags($_REQUEST['extid'])   : '');
 178         $object      = (x($_REQUEST, 'object')      ? $_REQUEST['object']              : '');
 179
 180         // Check for multiple posts with the same message id (when the post was created via API)
 181         if (($message_id != '') && ($profile_uid != 0)) {
 182                 $r = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 183                         dbesc($message_id),
 184                         intval($profile_uid)
 185                 );
 186
 187                 if (DBM::is_result($r)) {
 188                         logger("Message with URI ".$message_id." already exists for user ".$profile_uid, LOGGER_DEBUG);
 189                         return;
 190                 }
 191         }
 192
 193         $allow_moderated = false;
 194
 195         // here is where we are going to check for permission to post a moderated comment.
 196
 197         // First check that the parent exists and it is a wall item.
 198
 199         if (x($_REQUEST, 'commenter') && (!$parent || !$parent_item['wall'])) {
 200                 notice(t('Permission denied.') . EOL) ;
 201                 if (x($_REQUEST, 'return')) {
 202                         goaway($return_path);
 203                 }
 204                 killme();
 205         }
 206
 207         // Allow commenting if it is an answer to a public post
 208         $allow_comment = ($profile_uid == 0) && $parent && in_array($parent_item['network'], [NETWORK_OSTATUS, NETWORK_DIASPORA, NETWORK_DFRN]);
 209
 210         /*
 211          * Now check that it is a page_type of PAGE_BLOG, and that valid personal details
 212          * have been provided, and run any anti-spam plugins
 213          */
 214         if (!(can_write_wall($profile_uid) || $allow_comment) && !$allow_moderated) {
 215                 notice(t('Permission denied.') . EOL) ;
 216                 if (x($_REQUEST, 'return')) {
 217                         goaway($return_path);
 218                 }
 219                 killme();
 220         }
 221
 222
 223         // is this an edited post?
 224
 225         $orig_post = null;
 226
 227         if ($post_id) {
 228                 $i = q("SELECT * FROM `item` WHERE `uid` = %d AND `id` = %d LIMIT 1",
 229                         intval($profile_uid),
 230                         intval($post_id)
 231                 );
 232                 if (!DBM::is_result($i)) {
 233                         killme();
 234                 }
 235                 $orig_post = $i[0];
 236         }
 237
 238         $user = null;
 239
 240         $r = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
 241                 intval($profile_uid)
 242         );
 243         if (DBM::is_result($r)) {
 244                 $user = $r[0];
 245         }
 246
 247         if ($orig_post) {
 248                 $str_group_allow   = $orig_post['allow_gid'];
 249                 $str_contact_allow = $orig_post['allow_cid'];
 250                 $str_group_deny    = $orig_post['deny_gid'];
 251                 $str_contact_deny  = $orig_post['deny_cid'];
 252                 $location          = $orig_post['location'];
 253                 $coord             = $orig_post['coord'];
 254                 $verb              = $orig_post['verb'];
 255                 $objecttype        = $orig_post['object-type'];
 256                 $emailcc           = $orig_post['emailcc'];
 257                 $app               = $orig_post['app'];
 258                 $categories        = $orig_post['file'];
 259                 $title             = notags(trim($_REQUEST['title']));
 260                 $body              = escape_tags(trim($_REQUEST['body']));
 261                 $private           = $orig_post['private'];
 262                 $pubmail_enable    = $orig_post['pubmail'];
 263                 $network           = $orig_post['network'];
 264                 $guid              = $orig_post['guid'];
 265                 $extid             = $orig_post['extid'];
 266
 267         } else {
 268
 269                 /*
 270                  * if coming from the API and no privacy settings are set,
 271                  * use the user default permissions - as they won't have
 272                  * been supplied via a form.
 273                  */
 274                 /// @TODO use x($_REQUEST, 'foo') here
 275                 if ($api_source
 276                         && !array_key_exists('contact_allow', $_REQUEST)
 277                         && !array_key_exists('group_allow', $_REQUEST)
 278                         && !array_key_exists('contact_deny', $_REQUEST)
 279                         && !array_key_exists('group_deny', $_REQUEST)) {
 280                         $str_group_allow   = $user['allow_gid'];
 281                         $str_contact_allow = $user['allow_cid'];
 282                         $str_group_deny    = $user['deny_gid'];
 283                         $str_contact_deny  = $user['deny_cid'];
 284                 } else {
 285
 286                         // use the posted permissions
 287
 288                         $str_group_allow   = perms2str($_REQUEST['group_allow']);
 289                         $str_contact_allow = perms2str($_REQUEST['contact_allow']);
 290                         $str_group_deny    = perms2str($_REQUEST['group_deny']);
 291                         $str_contact_deny  = perms2str($_REQUEST['contact_deny']);
 292                 }
 293
 294                 $title             = notags(trim($_REQUEST['title']));
 295                 $location          = notags(trim($_REQUEST['location']));
 296                 $coord             = notags(trim($_REQUEST['coord']));
 297                 $verb              = notags(trim($_REQUEST['verb']));
 298                 $emailcc           = notags(trim($_REQUEST['emailcc']));
 299                 $body              = escape_tags(trim($_REQUEST['body']));
 300                 $network           = notags(trim($_REQUEST['network']));
 301                 $guid              = get_guid(32);
 302
 303                 item_add_language_opt($_REQUEST);
 304                 $postopts = $_REQUEST['postopts'] ? $_REQUEST['postopts'] : "";
 305
 306                 $private = ((strlen($str_group_allow) || strlen($str_contact_allow) || strlen($str_group_deny) || strlen($str_contact_deny)) ? 1 : 0);
 307
 308                 if ($user['hidewall']) {
 309                         $private = 2;
 310                 }
 311
 312                 // If this is a comment, set the permissions from the parent.
 313
 314                 if ($parent_item) {
 315
 316                         // for non native networks use the network of the original post as network of the item
 317                         if (($parent_item['network'] != NETWORK_DIASPORA)
 318                                 && ($parent_item['network'] != NETWORK_OSTATUS)
 319                                 && ($network == "")) {
 320                                 $network = $parent_item['network'];
 321                         }
 322
 323                         $str_contact_allow = $parent_item['allow_cid'];
 324                         $str_group_allow   = $parent_item['allow_gid'];
 325                         $str_contact_deny  = $parent_item['deny_cid'];
 326                         $str_group_deny    = $parent_item['deny_gid'];
 327                         $private           = $parent_item['private'];
 328                 }
 329
 330                 $pubmail_enable    = ((x($_REQUEST, 'pubmail_enable') && intval($_REQUEST['pubmail_enable']) && !$private) ? 1 : 0);
 331
 332                 // if using the API, we won't see pubmail_enable - figure out if it should be set
 333
 334                 if ($api_source && $profile_uid && $profile_uid == local_user() && !$private) {
 335                         $mail_disabled = ((function_exists('imap_open') && !Config::get('system', 'imap_disabled')) ? 0 : 1);
 336                         if (!$mail_disabled) {
 337                                 /// @TODO Check if only pubmail is loaded, * loads all columns
 338                                 $r = q("SELECT * FROM `mailacct` WHERE `uid` = %d AND `server` != '' LIMIT 1",
 339                                         intval(local_user())
 340                                 );
 341                                 if (DBM::is_result($r) && intval($r[0]['pubmail'])) {
 342                                         $pubmail_enabled = true;
 343                                 }
 344                         }
 345                 }
 346
 347                 if (!strlen($body)) {
 348                         if ($preview) {
 349                                 killme();
 350                         }
 351                         info(t('Empty post discarded.') . EOL);
 352                         if (x($_REQUEST, 'return')) {
 353                                 goaway($return_path);
 354                         }
 355                         killme();
 356                 }
 357         }
 358
 359         if (strlen($categories)) {
 360                 // get the "fileas" tags for this post
 361                 $filedas = file_tag_file_to_list($categories, 'file');
 362         }
 363         // save old and new categories, so we can determine what needs to be deleted from pconfig
 364         $categories_old = $categories;
 365         $categories = file_tag_list_to_file(trim($_REQUEST['category']), 'category');
 366         $categories_new = $categories;
 367         if (strlen($filedas)) {
 368                 // append the fileas stuff to the new categories list
 369                 $categories .= file_tag_list_to_file($filedas, 'file');
 370         }
 371
 372         // get contact info for poster
 373
 374         $author = null;
 375         $self   = false;
 376         $contact_id = 0;
 377
 378         if (local_user() && ((local_user() == $profile_uid) || $allow_comment)) {
 379                 $self = true;
 380                 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` LIMIT 1",
 381                         intval($_SESSION['uid']));
 382         } elseif (remote_user()) {
 383                 if (x($_SESSION, 'remote') && is_array($_SESSION['remote'])) {
 384                         foreach ($_SESSION['remote'] as $v) {
 385                                 if ($v['uid'] == $profile_uid) {
 386                                         $contact_id = $v['cid'];
 387                                         break;
 388                                 }
 389                         }
 390                 }
 391                 if ($contact_id) {
 392                         $r = q("SELECT * FROM `contact` WHERE `id` = %d LIMIT 1",
 393                                 intval($contact_id)
 394                         );
 395                 }
 396         }
 397
 398         if (DBM::is_result($r)) {
 399                 $author = $r[0];
 400                 $contact_id = $author['id'];
 401         }
 402
 403         // get contact info for owner
 404
 405         if ($profile_uid == local_user() || $allow_comment) {
 406                 $contact_record = $author;
 407         } else {
 408                 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` LIMIT 1",
 409                         intval($profile_uid)
 410                 );
 411                 if (DBM::is_result($r)) {
 412                         $contact_record = $r[0];
 413                 }
 414         }
 415
 416         $post_type = notags(trim($_REQUEST['type']));
 417
 418         if ($post_type === 'net-comment' && $parent_item !== null) {
 419                 if ($parent_item['wall'] == 1) {
 420                         $post_type = 'wall-comment';
 421                 } else {
 422                         $post_type = 'remote-comment';
 423                 }
 424         }
 425
 426         // Look for any tags and linkify them
 427         $str_tags = '';
 428         $inform   = '';
 429
 430         $tags = get_tags($body);
 431
 432         /*
 433          * add a statusnet style reply tag if the original post was from there
 434          * and we are replying, and there isn't one already
 435          */
 436         if ($parent && ($parent_contact['network'] == NETWORK_OSTATUS)) {
 437                 $contact = '@[url=' . $parent_contact['url'] . ']' . $parent_contact['nick'] . '[/url]';
 438
 439                 if (!in_array($contact, $tags)) {
 440                         $body = $contact . ' ' . $body;
 441                         $tags[] = $contact;
 442                 }
 443
 444                 $toplevel_contact = "";
 445                 $toplevel_parent = q("SELECT `contact`.* FROM `contact`
 446                                                 INNER JOIN `item` ON `item`.`contact-id` = `contact`.`id` AND `contact`.`url` = `item`.`author-link`
 447                                                 WHERE `item`.`id` = `item`.`parent` AND `item`.`parent` = %d", intval($parent));
 448                 if (DBM::is_result($toplevel_parent)) {
 449                         if (!empty($toplevel_parent[0]['addr'])) {
 450                                 $toplevel_contact = '@' . $toplevel_parent[0]['addr'];
 451                         } else {
 452                                 $toplevel_contact = '@' . $toplevel_parent[0]['nick'] . '+' . $toplevel_parent[0]['id'];
 453                         }
 454                 } else {
 455                         $toplevel_parent = q("SELECT `author-link`, `author-name` FROM `item` WHERE `id` = `parent` AND `parent` = %d", intval($parent));
 456                         $toplevel_contact = '@[url=' . $toplevel_parent[0]['author-link'] . ']' . $toplevel_parent[0]['author-name'] . '[/url]';
 457                 }
 458
 459                 if (!in_array($toplevel_contact, $tags)) {
 460                         $tags[] = $toplevel_contact;
 461                 }
 462         }
 463
 464         $tagged = array();
 465
 466         $private_forum = false;
 467         $only_to_forum = false;
 468         $forum_contact = array();
 469
 470         if (count($tags)) {
 471                 foreach ($tags as $tag) {
 472
 473                         $tag_type = substr($tag, 0, 1);
 474
 475                         if ($tag_type == '#') {
 476                                 continue;
 477                         }
 478
 479                         /*
 480                          * If we already tagged 'Robert Johnson', don't try and tag 'Robert'.
 481                          * Robert Johnson should be first in the $tags array
 482                          */
 483                         $fullnametagged = false;
 484                         /// @TODO $tagged is initialized above if () block and is not filled, maybe old-lost code?
 485                         foreach ($tagged as $nextTag) {
 486                                 if (stristr($nextTag, $tag . ' ')) {
 487                                         $fullnametagged = true;
 488                                         break;
 489                                 }
 490                         }
 491                         if ($fullnametagged) {
 492                                 continue;
 493                         }
 494
 495                         $success = handle_tag($a, $body, $inform, $str_tags, local_user() ? local_user() : $profile_uid, $tag, $network);
 496                         if ($success['replaced']) {
 497                                 $tagged[] = $tag;
 498                         }
 499                         // When the forum is private or the forum is addressed with a "!" make the post private
 500                         if (is_array($success['contact']) && ($success['contact']['prv'] || ($tag_type == '!'))) {
 501                                 $private_forum = $success['contact']['prv'];
 502                                 $only_to_forum = ($tag_type == '!');
 503                                 $private_id = $success['contact']['id'];
 504                                 $forum_contact = $success['contact'];
 505                         } elseif (is_array($success['contact']) && $success['contact']['forum'] &&
 506                                 ($str_contact_allow == '<' . $success['contact']['id'] . '>')) {
 507                                 $private_forum = false;
 508                                 $only_to_forum = true;
 509                                 $private_id = $success['contact']['id'];
 510                                 $forum_contact = $success['contact'];
 511                         }
 512                 }
 513         }
 514
 515         $original_contact_id = $contact_id;
 516
 517         if (!$parent && count($forum_contact) && ($private_forum || $only_to_forum)) {
 518                 // we tagged a forum in a top level post. Now we change the post
 519                 $private = $private_forum;
 520
 521                 $str_group_allow = '';
 522                 $str_contact_deny = '';
 523                 $str_group_deny = '';
 524                 if ($private_forum) {
 525                         $str_contact_allow = '<' . $private_id . '>';
 526                 } else {
 527                         $str_contact_allow = '';
 528                 }
 529                 $contact_id = $private_id;
 530                 $contact_record = $forum_contact;
 531                 $_REQUEST['origin'] = false;
 532         }
 533
 534         /*
 535          * When a photo was uploaded into the message using the (profile wall) ajax
 536          * uploader, The permissions are initially set to disallow anybody but the
 537          * owner from seeing it. This is because the permissions may not yet have been
 538          * set for the post. If it's private, the photo permissions should be set
 539          * appropriately. But we didn't know the final permissions on the post until
 540          * now. So now we'll look for links of uploaded messages that are in the
 541          * post and set them to the same permissions as the post itself.
 542          */
 543
 544         $match = null;
 545
 546         if (!$preview && preg_match_all("/\[img([\=0-9x]*?)\](.*?)\[\/img\]/",$body,$match)) {
 547                 $images = $match[2];
 548                 if (count($images)) {
 549
 550                         $objecttype = ACTIVITY_OBJ_IMAGE;
 551
 552                         foreach ($images as $image) {
 553                                 if (!stristr($image, System::baseUrl() . '/photo/')) {
 554                                         continue;
 555                                 }
 556                                 $image_uri = substr($image,strrpos($image,'/') + 1);
 557                                 $image_uri = substr($image_uri,0, strpos($image_uri,'-'));
 558                                 if (!strlen($image_uri)) {
 559                                         continue;
 560                                 }
 561                                 $srch = '<' . intval($original_contact_id) . '>';
 562
 563                                 $r = q("SELECT `id` FROM `photo` WHERE `allow_cid` = '%s' AND `allow_gid` = '' AND `deny_cid` = '' AND `deny_gid` = ''
 564                                         AND `resource-id` = '%s' AND `uid` = %d LIMIT 1",
 565                                         dbesc($srch),
 566                                         dbesc($image_uri),
 567                                         intval($profile_uid)
 568                                 );
 569
 570                                 if (!DBM::is_result($r)) {
 571                                         continue;
 572                                 }
 573
 574                                 $r = q("UPDATE `photo` SET `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s'
 575                                         WHERE `resource-id` = '%s' AND `uid` = %d AND `album` = '%s' ",
 576                                         dbesc($str_contact_allow),
 577                                         dbesc($str_group_allow),
 578                                         dbesc($str_contact_deny),
 579                                         dbesc($str_group_deny),
 580                                         dbesc($image_uri),
 581                                         intval($profile_uid),
 582                                         dbesc(t('Wall Photos'))
 583                                 );
 584                         }
 585                 }
 586         }
 587
 588
 589         /*
 590          * Next link in any attachment references we find in the post.
 591          */
 592         $match = false;
 593
 594         if (!$preview && preg_match_all("/\[attachment\](.*?)\[\/attachment\]/", $body, $match)) {
 595                 $attaches = $match[1];
 596                 if (count($attaches)) {
 597                         foreach ($attaches as $attach) {
 598                                 $r = q("SELECT * FROM `attach` WHERE `uid` = %d AND `id` = %d LIMIT 1",
 599                                         intval($profile_uid),
 600                                         intval($attach)
 601                                 );
 602                                 if (DBM::is_result($r)) {
 603                                         $r = q("UPDATE `attach` SET `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s'
 604                                                 WHERE `uid` = %d AND `id` = %d",
 605                                                 dbesc($str_contact_allow),
 606                                                 dbesc($str_group_allow),
 607                                                 dbesc($str_contact_deny),
 608                                                 dbesc($str_group_deny),
 609                                                 intval($profile_uid),
 610                                                 intval($attach)
 611                                         );
 612                                 }
 613                         }
 614                 }
 615         }
 616
 617         // embedded bookmark or attachment in post? set bookmark flag
 618
 619         $bookmark = 0;
 620         $data = get_attachment_data($body);
 621         if (preg_match_all("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", $body, $match, PREG_SET_ORDER) || isset($data["type"])) {
 622                 $objecttype = ACTIVITY_OBJ_BOOKMARK;
 623                 $bookmark = 1;
 624         }
 625
 626         $body = bb_translate_video($body);
 627
 628
 629         // Fold multi-line [code] sequences
 630         $body = preg_replace('/\[\/code\]\s*\[code\]/ism', "\n", $body);
 631
 632         $body = scale_external_images($body, false);
 633
 634         // Setting the object type if not defined before
 635         if (!$objecttype) {
 636                 $objecttype = ACTIVITY_OBJ_NOTE; // Default value
 637                 require_once 'include/plaintext.php';
 638                 $objectdata = get_attached_data($body);
 639
 640                 if ($objectdata["type"] == "link") {
 641                         $objecttype = ACTIVITY_OBJ_BOOKMARK;
 642                 } elseif ($objectdata["type"] == "video") {
 643                         $objecttype = ACTIVITY_OBJ_VIDEO;
 644                 } elseif ($objectdata["type"] == "photo") {
 645                         $objecttype = ACTIVITY_OBJ_IMAGE;
 646                 }
 647
 648         }
 649
 650         $attachments = '';
 651         $match = false;
 652
 653         if (preg_match_all('/(\[attachment\]([0-9]+)\[\/attachment\])/',$body,$match)) {
 654                 foreach ($match[2] as $mtch) {
 655                         $r = q("SELECT `id`,`filename`,`filesize`,`filetype` FROM `attach` WHERE `uid` = %d AND `id` = %d LIMIT 1",
 656                                 intval($profile_uid),
 657                                 intval($mtch)
 658                         );
 659                         if (DBM::is_result($r)) {
 660                                 if (strlen($attachments)) {
 661                                         $attachments .= ',';
 662                                 }
 663                                 $attachments .= '[attach]href="' . System::baseUrl() . '/attach/' . $r[0]['id'] . '" length="' . $r[0]['filesize'] . '" type="' . $r[0]['filetype'] . '" title="' . (($r[0]['filename']) ? $r[0]['filename'] : '') . '"[/attach]';
 664                         }
 665                         $body = str_replace($match[1],'',$body);
 666                 }
 667         }
 668
 669         $wall = 0;
 670
 671         if (($post_type === 'wall' || $post_type === 'wall-comment') && !count($forum_contact)) {
 672                 $wall = 1;
 673         }
 674
 675         if (!strlen($verb)) {
 676                 $verb = ACTIVITY_POST;
 677         }
 678
 679         if ($network == "") {
 680                 $network = NETWORK_DFRN;
 681         }
 682
 683         $gravity = ($parent ? 6 : 0);
 684
 685         // even if the post arrived via API we are considering that it
 686         // originated on this site by default for determining relayability.
 687
 688         $origin = (x($_REQUEST, 'origin') ? intval($_REQUEST['origin']) : 1);
 689
 690         $notify_type = ($parent ? 'comment-new' : 'wall-new');
 691
 692         $uri = ($message_id ? $message_id : item_new_uri($a->get_hostname(),$profile_uid, $guid));
 693
 694         // Fallback so that we alway have a thr-parent
 695         if (!$thr_parent) {
 696                 $thr_parent = $uri;
 697         }
 698
 699         $datarray = array();
 700         $datarray['uid']           = $profile_uid;
 701         $datarray['type']          = $post_type;
 702         $datarray['wall']          = $wall;
 703         $datarray['gravity']       = $gravity;
 704         $datarray['network']       = $network;
 705         $datarray['contact-id']    = $contact_id;
 706         $datarray['owner-name']    = $contact_record['name'];
 707         $datarray['owner-link']    = $contact_record['url'];
 708         $datarray['owner-avatar']  = $contact_record['thumb'];
 709         $datarray['owner-id']      = Contact::getIdForURL($datarray['owner-link'], 0);
 710         $datarray['author-name']   = $author['name'];
 711         $datarray['author-link']   = $author['url'];
 712         $datarray['author-avatar'] = $author['thumb'];
 713         $datarray['author-id']     = Contact::getIdForURL($datarray['author-link'], 0);
 714         $datarray['created']       = datetime_convert();
 715         $datarray['edited']        = datetime_convert();
 716         $datarray['commented']     = datetime_convert();
 717         $datarray['received']      = datetime_convert();
 718         $datarray['changed']       = datetime_convert();
 719         $datarray['extid']         = $extid;
 720         $datarray['guid']          = $guid;
 721         $datarray['uri']           = $uri;
 722         $datarray['title']         = $title;
 723         $datarray['body']          = $body;
 724         $datarray['app']           = $app;
 725         $datarray['location']      = $location;
 726         $datarray['coord']         = $coord;
 727         $datarray['tag']           = $str_tags;
 728         $datarray['file']          = $categories;
 729         $datarray['inform']        = $inform;
 730         $datarray['verb']          = $verb;
 731         $datarray['object-type']   = $objecttype;
 732         $datarray['allow_cid']     = $str_contact_allow;
 733         $datarray['allow_gid']     = $str_group_allow;
 734         $datarray['deny_cid']      = $str_contact_deny;
 735         $datarray['deny_gid']      = $str_group_deny;
 736         $datarray['private']       = $private;
 737         $datarray['pubmail']       = $pubmail_enable;
 738         $datarray['attach']        = $attachments;
 739         $datarray['bookmark']      = intval($bookmark);
 740         $datarray['thr-parent']    = $thr_parent;
 741         $datarray['postopts']      = $postopts;
 742         $datarray['origin']        = $origin;
 743         $datarray['moderated']     = $allow_moderated;
 744         $datarray['gcontact-id']   = GContact::getId(array("url" => $datarray['author-link'], "network" => $datarray['network'],
 745                                                         "photo" => $datarray['author-avatar'], "name" => $datarray['author-name']));
 746         $datarray['object']        = $object;
 747
 748         /*
 749          * These fields are for the convenience of plugins...
 750          * 'self' if true indicates the owner is posting on their own wall
 751          * If parent is 0 it is a top-level post.
 752          */
 753         $datarray['parent']        = $parent;
 754         $datarray['self']          = $self;
 755
 756         // This triggers posts via API and the mirror functions
 757         $datarray['api_source'] = $api_source;
 758
 759         $datarray['parent-uri'] = ($parent == 0) ? $uri : $parent_item['uri'];
 760         $datarray['plink'] = System::baseUrl() . '/display/' . urlencode($datarray['guid']);
 761         $datarray['last-child'] = 1;
 762         $datarray['visible'] = 1;
 763
 764         $datarray['protocol'] = PROTOCOL_DFRN;
 765
 766         $r = dba::fetch_first("SELECT `conversation-uri`, `conversation-href` FROM `conversation` WHERE `item-uri` = ?", $datarray['parent-uri']);
 767         if (DBM::is_result($r)) {
 768                 if ($r['conversation-uri'] != '') {
 769                         $datarray['conversation-uri'] = $r['conversation-uri'];
 770                 }
 771                 if ($r['conversation-href'] != '') {
 772                         $datarray['conversation-href'] = $r['conversation-href'];
 773                 }
 774         }
 775
 776         if ($orig_post) {
 777                 $datarray['edit'] = true;
 778         }
 779
 780         // Search for hashtags
 781         item_body_set_hashtags($datarray);
 782
 783         // preview mode - prepare the body for display and send it via json
 784         if ($preview) {
 785                 require_once 'include/conversation.php';
 786                 // We set the datarray ID to -1 because in preview mode the dataray
 787                 // doesn't have an ID.
 788                 $datarray["id"] = -1;
 789                 $o = conversation($a,array(array_merge($contact_record,$datarray)),'search', false, true);
 790                 logger('preview: ' . $o);
 791                 echo json_encode(array('preview' => $o));
 792                 killme();
 793         }
 794
 795         call_hooks('post_local',$datarray);
 796
 797         if (x($datarray, 'cancel')) {
 798                 logger('mod_item: post cancelled by plugin.');
 799                 if ($return_path) {
 800                         goaway($return_path);
 801                 }
 802
 803                 $json = array('cancel' => 1);
 804                 if (x($_REQUEST, 'jsreload') && strlen($_REQUEST['jsreload'])) {
 805                         $json['reload'] = System::baseUrl() . '/' . $_REQUEST['jsreload'];
 806                 }
 807
 808                 echo json_encode($json);
 809                 killme();
 810         }
 811
 812         if ($orig_post) {
 813                 $fields = array(
 814                         'title' => $datarray['title'],
 815                         'body' => $datarray['body'],
 816                         'tag' => $datarray['tag'],
 817                         'attach' => $datarray['attach'],
 818                         'file' => $datarray['file'],
 819                         'rendered-html' => $datarray['rendered-html'],
 820                         'rendered-hash' => $datarray['rendered-hash'],
 821                         'edited' => datetime_convert(),
 822                         'changed' => datetime_convert());
 823
 824                 Item::update($fields, ['id' => $post_id]);
 825
 826                 // update filetags in pconfig
 827                 file_tag_update_pconfig($uid,$categories_old,$categories_new,'category');
 828
 829                 if (x($_REQUEST, 'return') && strlen($return_path)) {
 830                         logger('return: ' . $return_path);
 831                         goaway($return_path);
 832                 }
 833                 killme();
 834         } else {
 835                 $post_id = 0;
 836         }
 837
 838         unset($datarray['edit']);
 839         unset($datarray['self']);
 840         unset($datarray['api_source']);
 841
 842         $post_id = item_store($datarray);
 843
 844         $datarray["id"] = $post_id;
 845
 846         // update filetags in pconfig
 847         file_tag_update_pconfig($uid, $categories_old, $categories_new, 'category');
 848
 849         // These notifications are sent if someone else is commenting other your wall
 850         if ($parent) {
 851                 if ($contact_record != $author) {
 852                         notification(array(
 853                                 'type'         => NOTIFY_COMMENT,
 854                                 'notify_flags' => $user['notify-flags'],
 855                                 'language'     => $user['language'],
 856                                 'to_name'      => $user['username'],
 857                                 'to_email'     => $user['email'],
 858                                 'uid'          => $user['uid'],
 859                                 'item'         => $datarray,
 860                                 'link'         => System::baseUrl().'/display/'.urlencode($datarray['guid']),
 861                                 'source_name'  => $datarray['author-name'],
 862                                 'source_link'  => $datarray['author-link'],
 863                                 'source_photo' => $datarray['author-avatar'],
 864                                 'verb'         => ACTIVITY_POST,
 865                                 'otype'        => 'item',
 866                                 'parent'       => $parent,
 867                                 'parent_uri'   => $parent_item['uri']
 868                         ));
 869                 }
 870
 871                 // Store the comment signature information in case we need to relay to Diaspora
 872                 Diaspora::storeCommentSignature($datarray, $author, ($self ? $user['prvkey'] : false), $post_id);
 873         } else {
 874                 if (($contact_record != $author) && !count($forum_contact)) {
 875                         notification(array(
 876                                 'type'         => NOTIFY_WALL,
 877                                 'notify_flags' => $user['notify-flags'],
 878                                 'language'     => $user['language'],
 879                                 'to_name'      => $user['username'],
 880                                 'to_email'     => $user['email'],
 881                                 'uid'          => $user['uid'],
 882                                 'item'         => $datarray,
 883                                 'link'         => System::baseUrl().'/display/'.urlencode($datarray['guid']),
 884                                 'source_name'  => $datarray['author-name'],
 885                                 'source_link'  => $datarray['author-link'],
 886                                 'source_photo' => $datarray['author-avatar'],
 887                                 'verb'         => ACTIVITY_POST,
 888                                 'otype'        => 'item'
 889                         ));
 890                 }
 891         }
 892
 893         call_hooks('post_local_end', $datarray);
 894
 895         if (strlen($emailcc) && $profile_uid == local_user()) {
 896                 $erecips = explode(',', $emailcc);
 897                 if (count($erecips)) {
 898                         foreach ($erecips as $recip) {
 899                                 $addr = trim($recip);
 900                                 if (!strlen($addr)) {
 901                                         continue;
 902                                 }
 903                                 $disclaimer = '<hr />' . sprintf(t('This message was sent to you by %s, a member of the Friendica social network.'), $a->user['username'])
 904                                         . '<br />';
 905                                 $disclaimer .= sprintf(t('You may visit them online at %s'), System::baseUrl() . '/profile/' . $a->user['nickname']) . EOL;
 906                                 $disclaimer .= t('Please contact the sender by replying to this post if you do not wish to receive these messages.') . EOL;
 907                                 if (!$datarray['title']=='') {
 908                                         $subject = Email::encodeHeader($datarray['title'], 'UTF-8');
 909                                 } else {
 910                                         $subject = Email::encodeHeader('[Friendica]' . ' ' . sprintf(t('%s posted an update.'), $a->user['username']), 'UTF-8');
 911                                 }
 912                                 $link = '<a href="' . System::baseUrl() . '/profile/' . $a->user['nickname'] . '"><img src="' . $author['thumb'] . '" alt="' . $a->user['username'] . '" /></a><br /><br />';
 913                                 $html    = prepare_body($datarray);
 914                                 $message = '<html><body>' . $link . $html . $disclaimer . '</body></html>';
 915                                 include_once 'include/html2plain.php';
 916                                 $params = array (
 917                                         'fromName' => $a->user['username'],
 918                                         'fromEmail' => $a->user['email'],
 919                                         'toEmail' => $addr,
 920                                         'replyTo' => $a->user['email'],
 921                                         'messageSubject' => $subject,
 922                                         'htmlVersion' => $message,
 923                                         'textVersion' => html2plain($html.$disclaimer)
 924                                 );
 925                                 Emailer::send($params);
 926                         }
 927                 }
 928         }
 929
 930         // Insert an item entry for UID=0 for global entries.
 931         // We now do it in the background to save some time.
 932         // This is important in interactive environments like the frontend or the API.
 933         // We don't fork a new process since this is done anyway with the following command
 934         Worker::add(array('priority' => PRIORITY_HIGH, 'dont_fork' => true), "CreateShadowEntry", $post_id);
 935
 936         // Call the background process that is delivering the item to the receivers
 937         Worker::add(PRIORITY_HIGH, "Notifier", $notify_type, $post_id);
 938
 939         logger('post_complete');
 940
 941         item_post_return(System::baseUrl(), $api_source, $return_path);
 942         // NOTREACHED
 943 }
 944
 945 function item_post_return($baseurl, $api_source, $return_path) {
 946         // figure out how to return, depending on from whence we came
 947
 948         if ($api_source) {
 949                 return;
 950         }
 951
 952         if ($return_path) {
 953                 goaway($return_path);
 954         }
 955
 956         $json = array('success' => 1);
 957         if (x($_REQUEST, 'jsreload') && strlen($_REQUEST['jsreload'])) {
 958                 $json['reload'] = $baseurl . '/' . $_REQUEST['jsreload'];
 959         }
 960
 961         logger('post_json: ' . print_r($json,true), LOGGER_DEBUG);
 962
 963         echo json_encode($json);
 964         killme();
 965 }
 966
 967
 968
 969 function item_content(App $a) {
 970
 971         if (!local_user() && !remote_user()) {
 972                 return;
 973         }
 974
 975         require_once 'include/security.php';
 976
 977         $o = '';
 978         if (($a->argc == 3) && ($a->argv[1] === 'drop') && intval($a->argv[2])) {
 979                 $o = drop_item($a->argv[2], !is_ajax());
 980                 if (is_ajax()) {
 981                         // ajax return: [<item id>, 0 (no perm) | <owner id>]
 982                         echo json_encode(array(intval($a->argv[2]), intval($o)));
 983                         killme();
 984                 }
 985         }
 986         return $o;
 987 }
 988
 989 /**
 990  * This function removes the tag $tag from the text $body and replaces it with
 991  * the appropiate link.
 992  *
 993  * @param App $a Application instance @TODO is unused in this function's scope (excluding included files)
 994  * @param unknown_type $body the text to replace the tag in
 995  * @param string $inform a comma-seperated string containing everybody to inform
 996  * @param string $str_tags string to add the tag to
 997  * @param integer $profile_uid
 998  * @param string $tag the tag to replace
 999  * @param string $network The network of the post
1000  *
1001  * @return boolean true if replaced, false if not replaced
1002  */
1003 function handle_tag(App $a, &$body, &$inform, &$str_tags, $profile_uid, $tag, $network = "")
1004 {
1005         $replaced = false;
1006         $r = null;
1007         $tag_type = '@';
1008
1009         //is it a person tag?
1010         if ((strpos($tag, '@') === 0) || (strpos($tag, '!') === 0)) {
1011                 $tag_type = substr($tag, 0, 1);
1012                 //is it already replaced?
1013                 if (strpos($tag, '[url=')) {
1014                         //append tag to str_tags
1015                         if (!stristr($str_tags, $tag)) {
1016                                 if (strlen($str_tags)) {
1017                                         $str_tags .= ',';
1018                                 }
1019                                 $str_tags .= $tag;
1020                         }
1021
1022                         // Checking for the alias that is used for OStatus
1023                         $pattern = "/[@!]\[url\=(.*?)\](.*?)\[\/url\]/ism";
1024                         if (preg_match($pattern, $tag, $matches)) {
1025
1026                                 $r = q("SELECT `alias`, `name` FROM `contact` WHERE `nurl` = '%s' AND `alias` != '' AND `uid` = 0",
1027                                         normalise_link($matches[1]));
1028                                 if (!DBM::is_result($r)) {
1029                                         $r = q("SELECT `alias`, `name` FROM `gcontact` WHERE `nurl` = '%s' AND `alias` != ''",
1030                                                 normalise_link($matches[1]));
1031                                 }
1032                                 if (DBM::is_result($r)) {
1033                                         $data = $r[0];
1034                                 } else {
1035                                         $data = Probe::uri($matches[1]);
1036                                 }
1037
1038                                 if ($data["alias"] != "") {
1039                                         $newtag = '@[url=' . $data["alias"] . ']' . $data["name"] . '[/url]';
1040                                         if (!stristr($str_tags, $newtag)) {
1041                                                 if (strlen($str_tags)) {
1042                                                         $str_tags .= ',';
1043                                                 }
1044                                                 $str_tags .= $newtag;
1045                                         }
1046                                 }
1047                         }
1048
1049                         return $replaced;
1050                 }
1051                 $stat = false;
1052                 //get the person's name
1053                 $name = substr($tag, 1);
1054
1055                 // Sometimes the tag detection doesn't seem to work right
1056                 // This is some workaround
1057                 $nameparts = explode(" ", $name);
1058                 $name = $nameparts[0];
1059
1060                 // Try to detect the contact in various ways
1061                 if ((strpos($name, '@')) || (strpos($name, 'http://'))) {
1062                         // Is it in format @user@domain.tld or @http://domain.tld/...?
1063
1064                         // First check the contact table for the address
1065                         $r = q("SELECT `id`, `url`, `nick`, `name`, `alias`, `network`, `notify`, `forum`, `prv` FROM `contact`
1066                                 WHERE `addr` = '%s' AND `uid` = %d AND
1067                                         (`network` != '%s' OR (`notify` != '' AND `alias` != ''))
1068                                 LIMIT 1",
1069                                         dbesc($name),
1070                                         intval($profile_uid),
1071                                         dbesc(NETWORK_OSTATUS)
1072                         );
1073
1074                         // Then check in the contact table for the url
1075                         if (!DBM::is_result($r)) {
1076                                 $r = q("SELECT `id`, `url`, `nick`, `name`, `alias`, `network`, `notify`, `forum`, `prv` FROM `contact`
1077                                         WHERE `nurl` = '%s' AND `uid` = %d AND
1078                                                 (`network` != '%s' OR (`notify` != '' AND `alias` != ''))
1079                                         LIMIT 1",
1080                                                 dbesc(normalise_link($name)),
1081                                                 intval($profile_uid),
1082                                                 dbesc(NETWORK_OSTATUS)
1083                                 );
1084                         }
1085
1086                         // Then check in the global contacts for the address
1087                         if (!DBM::is_result($r)) {
1088                                 $r = q("SELECT `url`, `nick`, `name`, `alias`, `network`, `notify` FROM `gcontact`
1089                                         WHERE `addr` = '%s' AND (`network` != '%s' OR (`notify` != '' AND `alias` != ''))
1090                                         LIMIT 1",
1091                                                 dbesc($name),
1092                                                 dbesc(NETWORK_OSTATUS)
1093                                 );
1094                         }
1095
1096                         // Then check in the global contacts for the url
1097                         if (!DBM::is_result($r)) {
1098                                 $r = q("SELECT `url`, `nick`, `name`, `alias`, `network`, `notify` FROM `gcontact`
1099                                         WHERE `nurl` = '%s' AND (`network` != '%s' OR (`notify` != '' AND `alias` != ''))
1100                                         LIMIT 1",
1101                                                 dbesc(normalise_link($name)),
1102                                                 dbesc(NETWORK_OSTATUS)
1103                                 );
1104                         }
1105
1106                         if (!DBM::is_result($r)) {
1107                                 $probed = Probe::uri($name);
1108                                 if ($result['network'] != NETWORK_PHANTOM) {
1109                                         GContact::update($probed);
1110                                         $r = q("SELECT `url`, `name`, `nick`, `network`, `alias`, `notify` FROM `gcontact` WHERE `nurl` = '%s' LIMIT 1",
1111                                                 dbesc(normalise_link($probed["url"])));
1112                                 }
1113                         }
1114                 } else {
1115                         $r = false;
1116                         if (strrpos($name, '+')) {
1117                                 // Is it in format @nick+number?
1118                                 $tagcid = intval(substr($name, strrpos($name, '+') + 1));
1119
1120                                 $r = q("SELECT `id`, `url`, `nick`, `name`, `alias`, `network` FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
1121                                                 intval($tagcid),
1122                                                 intval($profile_uid)
1123                                 );
1124                         }
1125
1126                         // select someone by attag or nick and the name passed in the current network
1127                         if (!DBM::is_result($r) && ($network != ""))
1128                                 $r = q("SELECT `id`, `url`, `nick`, `name`, `alias`, `network` FROM `contact` WHERE `attag` = '%s' OR `nick` = '%s' AND `network` = '%s' AND `uid` = %d ORDER BY `attag` DESC LIMIT 1",
1129                                                 dbesc($name),
1130                                                 dbesc($name),
1131                                                 dbesc($network),
1132                                                 intval($profile_uid)
1133                                 );
1134
1135                         //select someone from this user's contacts by name in the current network
1136                         if (!DBM::is_result($r) && ($network != "")) {
1137                                 $r = q("SELECT `id`, `url`, `nick`, `name`, `alias`, `network` FROM `contact` WHERE `name` = '%s' AND `network` = '%s' AND `uid` = %d LIMIT 1",
1138                                                 dbesc($name),
1139                                                 dbesc($network),
1140                                                 intval($profile_uid)
1141                                 );
1142                         }
1143
1144                         // select someone by attag or nick and the name passed in
1145                         if (!DBM::is_result($r)) {
1146                                 $r = q("SELECT `id`, `url`, `nick`, `name`, `alias`, `network` FROM `contact` WHERE `attag` = '%s' OR `nick` = '%s' AND `uid` = %d ORDER BY `attag` DESC LIMIT 1",
1147                                                 dbesc($name),
1148                                                 dbesc($name),
1149                                                 intval($profile_uid)
1150                                 );
1151                         }
1152
1153                         // select someone from this user's contacts by name
1154                         if (!DBM::is_result($r)) {
1155                                 $r = q("SELECT `id`, `url`, `nick`, `name`, `alias`, `network` FROM `contact` WHERE `name` = '%s' AND `uid` = %d LIMIT 1",
1156                                                 dbesc($name),
1157                                                 intval($profile_uid)
1158                                 );
1159                         }
1160                 }
1161
1162                 if (DBM::is_result($r)) {
1163                         if (strlen($inform) && (isset($r[0]["notify"]) || isset($r[0]["id"]))) {
1164                                 $inform .= ',';
1165                         }
1166
1167                         if (isset($r[0]["id"])) {
1168                                 $inform .= 'cid:' . $r[0]["id"];
1169                         } elseif (isset($r[0]["notify"])) {
1170                                 $inform  .= $r[0]["notify"];
1171                         }
1172
1173                         $profile = $r[0]["url"];
1174                         $alias   = $r[0]["alias"];
1175                         $newname = $r[0]["nick"];
1176                         if (($newname == "") || (($r[0]["network"] != NETWORK_OSTATUS) && ($r[0]["network"] != NETWORK_TWITTER)
1177                                 && ($r[0]["network"] != NETWORK_STATUSNET) && ($r[0]["network"] != NETWORK_APPNET))) {
1178                                 $newname = $r[0]["name"];
1179                         }
1180                 }
1181
1182                 //if there is an url for this persons profile
1183                 if (isset($profile) && ($newname != "")) {
1184                         $replaced = true;
1185                         // create profile link
1186                         $profile = str_replace(',', '%2c', $profile);
1187                         $newtag = $tag_type.'[url=' . $profile . ']' . $newname . '[/url]';
1188                         $body = str_replace($tag_type . $name, $newtag, $body);
1189                         // append tag to str_tags
1190                         if (!stristr($str_tags, $newtag)) {
1191                                 if (strlen($str_tags)) {
1192                                         $str_tags .= ',';
1193                                 }
1194                                 $str_tags .= $newtag;
1195                         }
1196
1197                         /*
1198                          * Status.Net seems to require the numeric ID URL in a mention if the person isn't
1199                          * subscribed to you. But the nickname URL is OK if they are. Grrr. We'll tag both.
1200                          */
1201                         if (strlen($alias)) {
1202                                 $newtag = '@[url=' . $alias . ']' . $newname . '[/url]';
1203                                 if (!stristr($str_tags, $newtag)) {
1204                                         if (strlen($str_tags)) {
1205                                                 $str_tags .= ',';
1206                                         }
1207                                         $str_tags .= $newtag;
1208                                 }
1209                         }
1210                 }
1211         }
1212
1213         return array('replaced' => $replaced, 'contact' => $r[0]);
1214 }